Why does changing just one proton in the nucleus of an atom create a different element? The number of protons in an atomic ...

The “lead” of a pencil is actually made of a substance called graphite which is made of carbon atoms. The picture shows a close-up of one carbon atom. A hydrogen atom has one proton as the nucleus and ...

The universe was too hot for atoms to form immediately after the Big Bang. Hydrogen formed about 3 minutes after the Big Bang. Helium formed in smaller amounts than hydrogen. Neutral atoms formed ...

For surfers, it's not enough just to wait for the right wave: they still have to know how to catch it. As it turns out, one challenge faced by surfers also applies to protons. An experiment recently ...